Advertising device



Feb. 13, 1940.

A. H. CHRISTENSEN 2,190,114

ADVERTISING DEVICE Filed March 13', 1939 I 2 Sheets-Sheet 1 INVENTOR.

55512 TH UHEZSTEJJS EH.

ATTORNEY.

Feb. 13, 1940. CHRISTENSEN 2,190,114

ADVERTISING DEVICE Filed March 13, 1939 2 SheetS -Sheet 2 INVENTOR. .HLB .ElHTH CHEISTEZYSEH ATTORNEYS.

ADVERTISING DEVICE: Albert 11. Christensen, Oakland, Calif. Application March 13, 1939, Serial No. 261,593

1 Claim.

This invention relates to improvements in advertising devices and has particular reference to a device for displaying signs, commodities and the like and the ability to change the displayed matter at frequentintervals.

A further object is to produce a device which is economical to manufacture, simple in construction, one wherein the parts will not be easily deranged, and a device which is readily portable.

Other objects and advantages will be apparent during the course of the following description.

In the accompanying drawings forming a part of this specification and in which like numerals are employed to designate like parts throughout the same,

Fig. 1 is a front elevation showing a portion thereof broken away,

Fig. 2 is a fragmentary perspective view of the cam and release mechanism, 9

Fig. 3 is a top plan view of the cam and pickup mechanism,

Fig. 4 is a top plan view of Fig. 1,

Fig. 5 is a detail showing the manner in which the revolving arm carries the display sign, but one sign holder being shown,

Fig. 6 is a fragmentary detail view showing a side elevation of the cam and pickup mechanism,

Fig. 7 is a similar view showing the cam and 1 release mechanism,

Fig. 8 is a fragmentary detail view showing-the retaining hook,

Fig. 9 is a perspective view of the release hook,

and

' Fig. 10 is an enlarged cross sectional view on the line lfl--l!l of Fig. 7. I

In the accompanying drawings wherein forthe purpose of illustration is shown a preferred embodiment of my invention, the numeral 5 designates a substantially circular casing in which my, mechanism is mounted. This casing has a semi-circular glass 6 through which the displays are viewed. Extending from the top tothe bottom and in the axis of the casing 5 is a hollow shaft 1 through which a shaft 8 extends. This shaft is driven by a motor 9 or in any suitable manner. Pivotally connected to the hollow shaft I for swinging movement about the same, is a plurality of plates H. These plates are provided with upper and lower angular spacers l2, and the lower spaces may be in the form of trays for receiving commodities to be displayed. The construction thus far described is merely a display stand having a plurality of leaves, both sides of which may be viewed as they are revolved By reviewing Figs. 4 and 5 it will be noted that a f 5 substantiallysemi-circular track I3 is secured to bracing supports l4 and llt for the upper ends of the shafts and the outer ends of the supports are fixed to the casing, as best shown in Figure 4. Secured midway between its ends to the upper end of the shaft 1 to be carried thereby is an arm ll that has pivoted thereto members l8 and I9, each of which carries a U-shaped member 2i. Itwill be noted as best shown in Figure 7, that v the outer free end portions of the pivoted members l8 and I9 are bent for disposal in spaced relation to the arm 11. ,This arrangement permits the ends to engage the cam extremity 22 of the semi-circular track i3 (see Fig. 2). Pivoted adjacent the cam 22 is a latch 23 which engages the plates H as they are moved in a, clockwise direction, the action of this latch being, obvious from viewing Fig. 8. Pivoted adjacent the opposite end of the track I3 is a releasing latch 24. This latch has a plate 26 which is engaged by the end of the arm I! as the same moves in a clockwise direction (see Fig. 3). This engagement raises the latch 24 and releases a plate ll just at the time that the pivoted member [9 of Figure 3, is over theplate I land about to dropfrom the end 21-. of the track l3 for disposing the U- straddling position about the upper end of the plate 11. As a result of this construction and assuming that the motor 9 is running continuouslythe shaft 8 rotates carrying with it the arm I1. As this arm l'l moves off the end of the track I3 as, observed in Fig. 3,the pivoted member [9 will drop so that the depending ends of the U- shaped member 2| willstraddle the. plate ll just at the time that the latch 24 is raised by the end of the arm I! engaging the plate 26. As the arm continues to move it will carry. the plate. from the position A to the position B. This drive of the plate'is illustrated in Fig. 2. As soon as the arm ll approaches the cammed end 22 of the track l3 the pivoted member 18, or [9 as the case may be, will be lifted, thus drawing the ends of the -U-shaped member 2| out of engagement with the plate ll. However, just previous to this action the latch 23 has functioned to hold the plate" ll against any possibility of retrograde movement.

It will, therefore-,be seen that my device picks a up a plate, moves it through substantially an arc pivotally supported for movement about a cen tral axis, a semi-circular track positioned above said plates, an arm rotatably carried above said I plates, pivoted members secured to the ends of said arm for travel on said track, U-shaped members secured to said pivoted members and capable of alternately engaging and releasing each of said plates in consecutive order as said arm is 6 rotated for carrying said plates about a portion of said axis, latches for said plates and mounted adjacent each end of said track, one of said latches being engaged by said arm, whereby said plates will be individually released from the lat- 10 ter latch to be contacted by said U-shaped members to move said plates into engagement with the other of said latches.

ALBERT H. CHRISTENSEN. 

